Trait std::any::AnyRefExtUnstable

pub trait AnyRefExt<'a> {
    fn is<T: 'static>(self) -> bool;
    fn downcast_ref<T: 'static>(self) -> Option<&'a T>;
}

Extension methods for a referenced Any trait object

Required Methods

fn is<T: 'static>(self) -> bool

Returns true if the boxed type is the same as T

fn downcast_ref<T: 'static>(self) -> Option<&'a T>

Returns some reference to the boxed value if it is of type T, or None if it isn't.

Implementors

• impl<'a> AnyRefExt<'a> for &'a Any + 'static